本PDF包括GI#2.1。范围1。1本标准适用于标称电压额定值为600 V及以下的系统（a）上用于地下安装的USEI 75、USEI 90和USEB 90型服务入口电缆；以及（b）按照加拿大电气规范第一部分第1.1.2节的规定安装。本标准中涵盖的产品的最高允许导体温度为75或90℃？C、 并在40℃下进行冷冲击和冷弯试验？C

This PDF includes GI #2.1. Scope1.1 This Standard applies to Types USEI 75, USEI 90, and USEB 90 service-entrance cables intended for underground installations on systems (a) having a nominal voltage rating of 600 V and less; and (b) installed in accordance with the Rules of the Canadian Electrical Code, Part I.1.2 The products covered in this standard have a maximum allowable conductor temperature of 75 or 90?C, and meet cold impact and cold bend tests at 40?C.